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Finding the Fourth Proportional to 248,638.82, 372,955.47 and 148,826.87

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Solution

The fourth proportional to 248,638.82, 372,955.47 and 148,826.87 is: 223,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,638.82 : 372,955.47 = 148,826.87 : x
  2. Step 2: Convert to fraction form
    248,638.82/372,955.47 = 148,826.87/x
  3. Step 3: Cross multiply
    248,638.82x = 372,955.47 × 148,826.87
  4. Step 4: Simplify right side
    248,638.82x = 55,505,793,384.70
  5. Step 5: Solve for x
    x = 55,505,793,384.70/248,638.82
  6. Step 6: Final answer
    x = 223,238.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.